'Create business services from transforming an existing CRM system into a service-oriented system

Transforming an existing CRM system into a service-oriented system. What could be an exemplary business services which could be provided by the CRM system (Name, Parameter, Return Value). I use an arbitrary pseudo notation (e.g. Java syntax). Is my option right?

My option would be:

public String getCustomerName(int customerID) {
  // ...
  return customerName
}
public double getCustomerRevenue(int customerid) {
  // ...
  return revenue
}


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